Home / 11,815.90-17,723.88-3,496.06

Finding the Fourth Proportional to 11,815.90, 17,723.88 and 3,496.06

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Solution

The fourth proportional to 11,815.90, 17,723.88 and 3,496.06 is: 5,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,815.90 : 17,723.88 = 3,496.06 : x
  2. Step 2: Convert to fraction form
    11,815.90/17,723.88 = 3,496.06/x
  3. Step 3: Cross multiply
    11,815.90x = 17,723.88 × 3,496.06
  4. Step 4: Simplify right side
    11,815.90x = 61,963,747.91
  5. Step 5: Solve for x
    x = 61,963,747.91/11,815.90
  6. Step 6: Final answer
    x = 5,244.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.